Chemical Thermodynamics Question 187
Question: Heat of formation of $ CO_2(g),H_2O(l) $ and $ CH_4(g) $ are - 94.0, - 68.4 and - 17.9 kcal respectively. The heat of combustion of methane is
Options:
A) - 212.9 kcal
B) - 136.8 kcal
C) - 304.3 kcal
D) - 105.2 kcal
Show Answer
Answer:
Correct Answer: A
Solution:
Find $ \Delta H $ for $ CH_4+2O_2\to CO_2+2H_2{O_{(g)}} $ .